app.h

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        app.h
// Purpose:     wxApp class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: app.h,v 1.4 2005/09/23 12:49:40 MR Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_APP_H_
#define _WX_APP_H_

#include "wx/defs.h"
#include "wx/object.h"
#include "wx/gdicmn.h"
#include "wx/event.h"

class WXDLLEXPORT wxFrame;
class WXDLLEXPORT wxWindowMac;
class WXDLLEXPORT wxApp ;
class WXDLLEXPORT wxKeyEvent;
class WXDLLEXPORT wxLog;

#define wxPRINT_WINDOWS         1
#define wxPRINT_POSTSCRIPT      2

WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;

// Force an exit from main loop
void WXDLLEXPORT wxExit();

// Yield to other apps/messages
bool WXDLLEXPORT wxYield();

// Represents the application. Derive OnInit and declare
// a new App object to start application
class WXDLLEXPORT wxApp: public wxAppBase
{
    DECLARE_DYNAMIC_CLASS(wxApp)

    wxApp();
    virtual ~wxApp() {}

    virtual int MainLoop();
    virtual void ExitMainLoop();
    virtual bool Pending() ;
    virtual bool Dispatch() ;

    virtual void Exit();

    virtual bool Yield(bool onlyIfNeeded = FALSE);
    virtual void WakeUpIdle();

    virtual void SetPrintMode(int mode) { m_printMode = mode; }
    virtual int GetPrintMode() const { return m_printMode; }

#if wxUSE_GUI
    // setting up all MacOS Specific Event-Handlers etc
    virtual bool OnInitGui();
#endif // wxUSE_GUI
    // implementation only
    void OnIdle(wxIdleEvent& event);
    void OnEndSession(wxCloseEvent& event);
    void OnQueryEndSession(wxCloseEvent& event);

    // Windows only, but for compatibility...
    inline void SetAuto3D(bool flag) { m_auto3D = flag; }
    inline bool GetAuto3D() const { return m_auto3D; }

protected:
    bool                  m_showOnInit;
    int                   m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
    bool                  m_auto3D ;   // Always use 3D controls, except
                                       // where overriden
public:

    static bool           sm_isEmbedded;
    // Implementation
    virtual bool Initialize(int& argc, wxChar **argv);
    virtual void CleanUp();

    bool IsExiting() { return !m_keepGoing ; }
#if TARGET_CARBON
    // the installed application event handler
    WXEVENTHANDLERREF    MacGetEventHandler() { return m_macEventHandler ; }
    WXEVENTHANDLERREF    MacGetCurrentEventHandlerCallRef() { return m_macCurrentEventHandlerCallRef ; }
    void MacSetCurrentEvent( WXEVENTREF event , WXEVENTHANDLERCALLREF handler )
    { m_macCurrentEvent = event ; m_macCurrentEventHandlerCallRef = handler ; }
#endif

public:
    static long           sm_lastMessageTime;
    static wxWindow*      s_captureWindow ;
    static int            s_lastMouseDown ; // 0 = none , 1 = left , 2 = right
    static WXHRGN         s_macCursorRgn ;
    static long           s_lastModifiers ;

    int                   m_nCmdShow;

private:
    bool                  m_keepGoing ;

    // mac specifics
#if TARGET_CARBON
    WXEVENTHANDLERREF     m_macEventHandler ;
    WXEVENTHANDLERCALLREF m_macCurrentEventHandlerCallRef ;
#endif
    WXEVENTREF            m_macCurrentEvent ;

public:
    static bool           s_macSupportPCMenuShortcuts ;
    static long           s_macAboutMenuItemId ;
    static long           s_macPreferencesMenuItemId ;
    static long           s_macExitMenuItemId ;
    static wxString       s_macHelpMenuTitleName ;

    static bool           s_macHasAppearance ;
    static long           s_macAppearanceVersion ;
    static bool           s_macHasNavigation ;
    static bool           s_macNavigationVersion ;
    static bool           s_macHasWindowManager ;
    static long           s_macWindowManagerVersion ;
    static bool           s_macHasMenuManager ;
    static long           s_macMenuManagerVersion ;
    static bool           s_macHasDialogManager ;
    static long           s_macDialogManagerVersion ;

    WXHRGN                m_macCursorRgn ;
    WXHRGN                m_macSleepRgn ;
    WXHRGN                m_macHelpRgn ;

    virtual void          MacSuspend( bool convertClipboard ) ;
    virtual void          MacResume( bool convertClipboard ) ;
    virtual void          MacConvertPrivateToPublicScrap() ;
    virtual void          MacConvertPublicToPrivateScrap() ;

    void                  MacDoOneEvent() ;
    WXEVENTREF            MacGetCurrentEvent() { return m_macCurrentEvent ; }
    void                  MacHandleOneEvent( WXEVENTREF ev ) ;

    // For embedded use. By default does nothing.
    virtual void          MacHandleUnhandledEvent( WXEVENTREF ev );

#if !TARGET_CARBON
    virtual void          MacHandleMenuSelect( int menuid , int menuitem ) ;
    virtual void          MacHandleMouseUpEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleOSEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleDiskEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleActivateEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleUpdateEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleMouseDownEvent( WXEVENTREF ev ) ;

    void                  MacHandleModifierEvents( WXEVENTREF ev ) ;

    virtual void          MacHandleKeyDownEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleKeyUpEvent( WXEVENTREF ev ) ;
    virtual void          MacHandleHighLevelEvent( WXEVENTREF ev ) ;

#else
    virtual void          MacHandleMouseMovedEvent( wxInt32 x , wxInt32 y ,wxUint32 modifiers , long timestamp ) ;
#endif

    void                  MacHandleMenuCommand( wxUint32 command ) ;
    bool                    MacSendKeyDownEvent( wxWindow* focus , long keyval , long modifiers , long when , short wherex , short wherey ) ;
    bool                    MacSendKeyUpEvent( wxWindow* focus , long keyval , long modifiers , long when , short wherex , short wherey ) ;

    virtual short         MacHandleAEODoc(const WXAPPLEEVENTREF event , WXAPPLEEVENTREF reply) ;
    virtual short         MacHandleAEPDoc(const WXAPPLEEVENTREF event , WXAPPLEEVENTREF reply) ;
    virtual short         MacHandleAEOApp(const WXAPPLEEVENTREF event , WXAPPLEEVENTREF reply) ;
    virtual short         MacHandleAEQuit(const WXAPPLEEVENTREF event , WXAPPLEEVENTREF reply) ;
    virtual short         MacHandleAERApp(const WXAPPLEEVENTREF event , WXAPPLEEVENTREF reply) ;

    // in response of an open-document apple event
    virtual void         MacOpenFile(const wxString &fileName) ;
    // in response of a print-document apple event
    virtual void         MacPrintFile(const wxString &fileName) ;
    // in response of a open-application apple event
    virtual void         MacNewFile() ;
    // in response of a reopen-application apple event
    virtual void         MacReopenApp() ;

    DECLARE_EVENT_TABLE()
};

class WXDLLEXPORT wxStAppResource
{
public:
    wxStAppResource() ;
    ~wxStAppResource() ;

    // opaque pointer for CFragInitBlock
    static void OpenSharedLibraryResource(const void *) ;
    static void CloseSharedLibraryResource() ;

private:
    short       m_currentRefNum ;
} ;

#endif
    // _WX_APP_H_